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Load data for 8.5 mm Messner Magnum + .338 | 185gr | Hornady GMX

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Recommended Powder(s):

8.5 mm Messner Magnum + .338 | 185gr | Hornady GMX

Load Specifications

Bullet:
.338 | 185gr | Hornady GMX
Manufacturer SKU:
33270
Bullet Weight:
185gr | 12.0g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.380" | 35.1mm
Caliber:
8.5 mm Messner Magnum
Case Length (l3):
2.508" | 63.7mm
Cartridge Length (C.O.L.):
3.413" | 86.7mm
Seated Depth:
0.475" | 12.1mm
Shank Seated Depth:
0.335" | 8.5mm
Case Capacity:
106.0 Grains of Water | 6.88 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B2744_C1203

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 178 loads in caliber 8.5 mm Messner Magnum with .338 | 185gr | Hornady GMX bullet and 89 powder(s). The key underlying parameters are shown in the table above.

  • Important Notice: DO NOT go below Minimum Charge or above Maximum Charge unless there are reasons. Since xxlreloading.com has no control over the equipment and components used by the customer and the data used in connection with the website, any responsibility and liability for the results achieved is rejected. Also see our Terms of Service

    Questions regarding the load data: Please read the information in the next tab "Explanations".

    • A load must fulfill certain criteria to be listed in the default view below - see here.

    • Our load data might deviate from other sources - see the most common reasons here

    • All loads are based on the bullet and case dimensions shown under "Load Specifications" - see here what to do if you deviate.

    • You can set your specifications in the "Personalized Load Calculator".

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    Use the Personalized Load Calculator to customize loads to your own specific requirements. Find more details in the help section.

    Our default view only displays powders/loads that fulfill certain criteria: Max pressure of a load <=90% of Max. Standardized Pressure. Fill Rate (Min FR): >80% and <100% for rife loads,  >60% and <100% for pistol loads. Min. Propellant Combustion (Min z): >90% for rifle loads , >80% for pistol/revolver loads. Relax these criteria at your own risk to potentially get more powders shown in the load tables.

Click on the desired row in the tables below to add a specific load / powder to your Diary and manage there.

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
84%
56942
89%
**51
100%
ADI AR 2208
<<locked>>
89%
57232
90%
**38
100%
ADI AR 2209
<<locked>>
97%
50502
79%
**05
95%
[ADI AR 2213]*
<<locked>>
97%
45208
71%
**17
92%
Accurate 2700
<<locked>>
90%
56927
89%
**79
98%
Accurate 3100
<<locked>>
97%
43337
68%
**44
97%
Accurate 4064
<<locked>>
87%
56971
89%
**15
100%
Accurate 4350 👍
<<locked>>
95%
57203
90%
**04
100%
Alliant Reloder- TS 15.5
<<locked>>
89%
56898
89%
**54
100%
Alliant Reloder-15
<<locked>>
87%
57363
90%
**77
100%
Alliant Reloder-16 👍
<<locked>>
97%
57014
89%
**53
100%
Alliant Reloder-17
<<locked>>
92%
56927
89%
**59
100%
Alliant Reloder-19
<<locked>>
97%
49472
78%
**89
95%
[Alliant Reloder-22]*
<<locked>>
97%
43874
69%
**20
94%
Alliant Reloder-23
<<locked>>
97%
41249
65%
**67
99%
Alliant Reloder-25
<<locked>>
97%
36361
57%
**62
95%
Alliant Reloder-26
<<locked>>
97%
46775
73%
**61
99%
Baschieri & Pellagri 107
<<locked>>
84%
57435
90%
**77
100%
Hodgdon CFE223
<<locked>>
87%
56913
89%
**97
100%
Hodgdon H380
<<locked>>
88%
56855
89%
**58
100%
Hodgdon H414
<<locked>>
91%
56739
89%
**10
98%
Hodgdon H4350
<<locked>>
97%
54723
86%
**18
97%
[Hodgdon H4831 SC]*
<<locked>>
97%
47558
75%
**10
92%
Hodgdon Hybrid 100V
<<locked>>
97%
53621
84%
**18
100%
Hodgdon LVR
<<locked>>
94%
57246
90%
**00
100%
Hodgdon Superperformance
<<locked>>
94%
57014
89%
**50
98%
Hodgdon VARGET
<<locked>>
90%
57232
90%
**38
100%
Hodgdon TrailBoss
<<locked>>
96%
34447
54%
**60
100%
IMR 3031
<<locked>>
86%
57363
90%
**28
100%
IMR 4064
<<locked>>
90%
57087
89%
**31
100%
IMR 4166 Enduron
<<locked>>
91%
57305
90%
**22
98%
IMR 4350
<<locked>>
96%
56811
89%
**58
98%
IMR 4451 Enduron
<<locked>>
92%
57058
89%
**38
98%
IMR 4831
<<locked>>
97%
50546
79%
**86
99%
IMR 4895
<<locked>>
86%
56956
89%
**84
100%
[IMR 4955 Enduron]*
<<locked>>
97%
47239
74%
**74
92%
[IMR 7828 SSC]*
<<locked>>
97%
46441
73%
**53
92%
Lovex D073.6
<<locked>>
84%
57232
90%
**28
100%
Lovex S060
<<locked>>
85%
57421
90%
**99
100%
Lovex S062
<<locked>>
87%
57116
89%
**22
100%
Lovex S065
<<locked>>
94%
57116
90%
**41
99%
Lovex S070
<<locked>>
95%
57276
90%
**61
99%
[Lovex S071]*
<<locked>>
97%
36434
57%
**94
94%
Norma 201
<<locked>>
85%
56927
89%
**18
100%
Norma 202
<<locked>>
84%
57232
90%
**02
100%
Norma 203B
<<locked>>
87%
56681
89%
**68
100%
Norma 204
<<locked>>
96%
56898
89%
**91
97%
Norma MRP
<<locked>>
97%
46166
72%
**95
96%
Norma URP 👍
<<locked>>
96%
57319
90%
**17
100%
Ramshot Big Game
<<locked>>
87%
57217
90%
**87
100%
Ramshot Hunter
<<locked>>
97%
57145
90%
**27
99%
[Ramshot Magnum]*
<<locked>>
97%
42293
66%
**54
94%
ReloadSwiss RS 14
<<locked>>
96%
34882
55%
**03
100%
ReloadSwiss RS 50
<<locked>>
88%
57174
90%
**48
99%
ReloadSwiss RS 52
<<locked>>
87%
56739
89%
**84
100%
ReloadSwiss RS 60
<<locked>>
93%
56898
89%
**79
100%
ReloadSwiss RS 62 👍
<<locked>>
95%
57290
90%
**36
100%
ReloadSwiss RS 70
<<locked>>
96%
57014
89%
**76
100%
Rottweil R 902
<<locked>>
86%
56898
89%
**09
100%
Rottweil R 903
<<locked>>
90%
57203
90%
**54
100%
Rottweil R 904
<<locked>>
97%
52620
82%
**79
95%
Rottweil R 905
<<locked>>
97%
48747
76%
**79
95%
Rottweil R 907
<<locked>>
93%
57406
90%
**48
98%
SNPE Vectan SP 11
<<locked>>
90%
57276
90%
**94
100%
SNPE Vectan SP 9
<<locked>>
85%
57305
90%
**48
100%
SNPE Vectan Tubal 3000
<<locked>>
84%
56855
89%
**33
100%
SNPE Vectan Tubal 5000
<<locked>>
89%
56884
89%
**13
100%
SNPE Vectan Tubal 7000
<<locked>>
94%
57334
90%
**95
98%
Shooters World Long Rifle
<<locked>>
94%
57116
90%
**41
99%
Shooters World Match Rifle
<<locked>>
84%
57232
90%
**28
100%
Shooters World Precision
<<locked>>
87%
57116
89%
**22
100%
Somchem S335
<<locked>>
84%
56855
89%
**33
100%
Somchem S341
<<locked>>
83%
57029
89%
**28
100%
Somchem S355
<<locked>>
91%
57421
90%
**51
100%
[Somchem S361]*
<<locked>>
97%
54215
85%
**72
94%
Somchem S365
<<locked>>
97%
53708
84%
**81
100%
Somchem S385
<<locked>>
97%
49458
78%
**56
96%
Vihtavuori N133
<<locked>>
86%
56869
89%
**13
100%
Vihtavuori N135
<<locked>>
92%
57348
90%
**66
100%
Vihtavuori N140
<<locked>>
86%
57029
89%
**79
100%
Vihtavuori N150
<<locked>>
95%
56855
89%
**09
100%
Vihtavuori N160
<<locked>>
93%
56768
89%
**61
100%
[Vihtavuori N165]*
<<locked>>
97%
41278
65%
**79
94%
Vihtavuori N540
<<locked>>
86%
56985
89%
**05
100%
Vihtavuori N550 👍
<<locked>>
93%
57232
90%
**14
100%
Vihtavuori N555
<<locked>>
97%
46180
72%
**66
99%
Winchester 6.5 StaBALL
<<locked>>
95%
57377
90%
**45
100%
Winchester 760
<<locked>>
91%
56739
89%
**10
98%
Winchester StaBALL HD
<<locked>>
97%
34113
53%
**97
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
52156
82%
**69
100%
ADI AR 2208
<<locked>>
81%
44440
70%
**15
99%
[ADI AR 2209]*
<<locked>>
87%
36434
57%
**94
90%
[ADI AR 2213]*
<<locked>>
94%
41379
65%
**28
90%
[Accurate 2700]*
<<locked>>
81%
42830
67%
**30
94%
[Accurate 3100]*
<<locked>>
84%
28572
45%
**80
90%
Accurate 4064
<<locked>>
81%
46514
73%
**51
100%
Accurate 4350
<<locked>>
81%
34766
54%
**64
96%
Alliant Reloder- TS 15.5
<<locked>>
81%
44512
70%
**38
100%
Alliant Reloder-15
<<locked>>
81%
47514
74%
**07
99%
Alliant Reloder-16
<<locked>>
81%
34505
54%
**84
96%
Alliant Reloder-17
<<locked>>
81%
38914
61%
**25
99%
[Alliant Reloder-19]*
<<locked>>
87%
35781
56%
**84
90%
[Alliant Reloder-22]*
<<locked>>
91%
36187
57%
**30
90%
[Alliant Reloder-23]*
<<locked>>
81%
25034
39%
**05
92%
[Alliant Reloder-25]*
<<locked>>
91%
29936
47%
**62
90%
[Alliant Reloder-26]*
<<locked>>
82%
27862
44%
**46
90%
Baschieri & Pellagri 107
<<locked>>
81%
52040
82%
**92
100%
Hodgdon CFE223
<<locked>>
81%
46398
73%
**20
99%
Hodgdon H380
<<locked>>
81%
45310
71%
**58
98%
Hodgdon H414
<<locked>>
81%
40335
63%
**99
95%
[Hodgdon H4350]*
<<locked>>
81%
33504
52%
**69
91%
[Hodgdon H4831 SC]*
<<locked>>
93%
42337
66%
**08
90%
Hodgdon Hybrid 100V
<<locked>>
81%
31923
50%
**75
97%
Hodgdon LVR
<<locked>>
81%
37623
59%
**30
96%
[Hodgdon Superperformance]*
<<locked>>
81%
36318
57%
**20
92%
Hodgdon VARGET
<<locked>>
81%
43830
69%
**02
99%
Hodgdon TrailBoss
<<locked>>
81%
27325
43%
**03
100%
IMR 3031
<<locked>>
81%
48588
76%
**00
100%
IMR 4064
<<locked>>
81%
43482
68%
**89
99%
IMR 4166 Enduron
<<locked>>
81%
42946
67%
**49
95%
[IMR 4350]*
<<locked>>
81%
35230
55%
**21
92%
IMR 4451 Enduron
<<locked>>
81%
41162
65%
**43
95%
[IMR 4831]*
<<locked>>
81%
30487
48%
**39
94%
IMR 4895
<<locked>>
81%
48805
76%
**46
100%
[IMR 4955 Enduron]*
<<locked>>
92%
40901
64%
**40
90%
[IMR 7828 SSC]*
<<locked>>
93%
40988
64%
**35
90%
Lovex D073.6
<<locked>>
81%
52446
82%
**56
100%
Lovex S060
<<locked>>
81%
51517
81%
**04
100%
Lovex S062
<<locked>>
81%
46775
73%
**58
100%
Lovex S065
<<locked>>
81%
38406
60%
**87
95%
[Lovex S070]*
<<locked>>
81%
36550
57%
**57
93%
[Lovex S071]*
<<locked>>
89%
28689
45%
**84
90%
Norma 201
<<locked>>
81%
51039
80%
**20
100%
Norma 202
<<locked>>
81%
51576
81%
**20
100%
Norma 203B
<<locked>>
81%
46746
73%
**90
100%
[Norma 204]*
<<locked>>
82%
36274
57%
**80
90%
[Norma MRP]*
<<locked>>
86%
32430
51%
**61
90%
Norma URP
<<locked>>
81%
34824
55%
**71
96%
Ramshot Big Game
<<locked>>
81%
47123
74%
**13
99%
[Ramshot Hunter]*
<<locked>>
81%
34113
53%
**51
93%
[Ramshot Magnum]*
<<locked>>
92%
35462
56%
**84
90%
ReloadSwiss RS 14
<<locked>>
81%
27789
44%
**45
100%
ReloadSwiss RS 50
<<locked>>
81%
45339
71%
**35
97%
ReloadSwiss RS 52
<<locked>>
81%
46485
73%
**07
100%
ReloadSwiss RS 60
<<locked>>
81%
37739
59%
**12
99%
ReloadSwiss RS 62
<<locked>>
81%
34606
54%
**90
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
34287
54%
**94
94%
Rottweil R 902
<<locked>>
81%
48573
76%
**71
100%
Rottweil R 903
<<locked>>
81%
41814
66%
**85
99%
[Rottweil R 904]*
<<locked>>
88%
39131
61%
**10
90%
[Rottweil R 905]*
<<locked>>
87%
35041
55%
**67
90%
[Rottweil R 907]*
<<locked>>
81%
39697
62%
**07
94%
SNPE Vectan SP 11
<<locked>>
81%
43120
68%
**41
99%
SNPE Vectan SP 9
<<locked>>
81%
50836
80%
**43
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
52025
82%
**54
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
43700
68%
**10
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
37637
59%
**21
94%
Shooters World Long Rifle
<<locked>>
81%
38406
60%
**87
95%
Shooters World Match Rifle
<<locked>>
81%
52446
82%
**56
100%
Shooters World Precision
<<locked>>
81%
46775
73%
**58
100%
Somchem S335
<<locked>>
81%
51648
81%
**58
100%
Somchem S341
<<locked>>
81%
52895
83%
**63
100%
Somchem S355
<<locked>>
81%
42380
66%
**85
99%
[Somchem S361]*
<<locked>>
89%
42018
66%
**40
90%
Somchem S365
<<locked>>
81%
31401
49%
**18
98%
[Somchem S385]*
<<locked>>
84%
32445
51%
**79
90%
Vihtavuori N133
<<locked>>
81%
49066
77%
**92
100%
Vihtavuori N135
<<locked>>
81%
41336
65%
**17
100%
Vihtavuori N140
<<locked>>
81%
48153
75%
**44
100%
Vihtavuori N150
<<locked>>
81%
36260
57%
**28
99%
Vihtavuori N160
<<locked>>
81%
37768
59%
**03
97%
[Vihtavuori N165]*
<<locked>>
91%
33982
53%
**02
90%
Vihtavuori N540
<<locked>>
81%
47877
75%
**61
100%
Vihtavuori N550
<<locked>>
81%
38609
60%
**53
97%
[Vihtavuori N555]*
<<locked>>
81%
27151
43%
**87
92%
Winchester 6.5 StaBALL
<<locked>>
81%
35853
56%
**48
98%
Winchester 760
<<locked>>
81%
40335
63%
**99
95%
[Winchester StaBALL HD]*
<<locked>>
84%
24265
38%
**25
90%

Start Load - Barrel Length: 23.60''

Any powder missing? Then click here.

FR ... fill rate of the cartridge in percent

MaxP ... max. pressure of load in psi or bar

% ... max. pressure of load in percent of the maximum allowed pressure for this caliber 

V(0) ... muzzle velocity in feet per second (fps) or  meters per second (m/s)

z ... powder burnt in percent

[...] *... not dangerous but load has suboptimal powder burnt with possible characteristics such as extensive muzzle flash or inaccurate loads.

[...] ²... fill rate low - you might want to consider using a filler to ensure proper ignition.

[...] ᴾ... possible press load - work up slowly to this load while watching for signs of excessive pressure.

👍  ... recommended powder/load for this caliber and bullet combination based on its ballistic performance.

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